When an Ionic Solid Such as NaCl Dissolves in Water

question 4

Multiple Choice

When an ionic solid such as NaCl dissolves in water,

• A) the Na⁺ and Cl^- are changed to atoms.
• B) the Na⁺ ions gather on one side of the container and the Cl^- ions gather on the other side of the container.
• C) Na⁺ and Cl^- ions are evenly dispersed.
• D) the beaker containing the solution becomes charged.

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Definitions:

Anterior Corticospinal Tract

A bundle of nerve fibers in the spinal cord involved in the voluntary movement of muscles, particularly influencing axial muscles.

Lateral Spinothalamic Tract

A neuron pathway within the spinal cord responsible for transmitting pain and temperature sensations to the brain.

Proprioception

The sense of the relative position of one's own parts of the body and strength of effort being employed in movement.

Cutaneous Sensations

Sensations perceived through the skin, including touch, pressure, heat, cold, and pain.